On the far left is next to Sugimori and Ohmura is Reiko Tanoue.
She mainly contributed in Gen 5 pokemon design, most notably the Serperior line, as well as Pidove and Sewaddle. She's also pictured here holding up a sketch of Munna, possibly another one of her designs.
Just for you
>>49881866According to Bulbapedia, she was also listed in the staff of Pokémon Platinum under "Special thanks" though it is currently unknown exactly what role she played in the development of that game.
